16156616827 has 6 divisors (see below), whose sum is σ = 17495034972. Its totient is φ = 14913799992.

The previous prime is 16156616821. The next prime is 16156616837. The reversal of 16156616827 is 72861665161.

It is not a de Polignac number, because 16156616827 - 2¹¹ = 16156614779 is a prime.

It is a super-2 number, since 2×16156616827² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16156616821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47800473 + ... + 47800810.

It is an arithmetic number, because the mean of its divisors is an integer number (2915839162).

Almost surely, 2^16156616827 is an apocalyptic number.

16156616827 is a deficient number, since it is larger than the sum of its proper divisors (1338418145).

16156616827 is an equidigital number, since it uses as much as digits as its factorization.

16156616827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95601309 (or 95601296 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The spelling of 16156616827 in words is "sixteen billion, one hundred fifty-six million, six hundred sixteen thousand, eight hundred twenty-seven".